Oh come on, man. What about Alabama, South Carolina, North Carolina, Georgia? I wouldn't dismiss it, migrant workers go there too. They go everywhere, really, as far north as NJ to follow harvest patterns. A lot of these people can't quarantine and have no other options for income. After entering through CA they get on buses and travel for days, they don't get a lot of sleep and perform hard labor in sometimes brutal conditions. It's not the kind of thing ideal for your immune system. https://www.bloomberg.com/news/articles/2020-05-29/every-single-worker-has-covid-at-one-u-s-farm-on-eve-of-harvest https://calmatters.org/commentary/my-turn/2020/06/we-have-to-get-serious-about-protecting-california-farmworkers-during-covid-19/ https://www.nbcbayarea.com/news/california/nearly-190-farmworkers-contract-virus-in-southern-california/2321275/ And of course, when they aren't at work, they're still going other places.